Compatibility: Specially designed for Galaxy Tab S9+ Plus 12.4-inch (SM-X810/X816B/X818U) 2023 Release Tablet. It will NOT work with any other model device. Built-in Touchpad Keyboard: The keyboard features a touchpad with multi-finger support, providing convenient navigation when a mouse is not available. The touchpad is compatible with Android, Windows, and iOS devices. Pencil Holder: The case includes a built-in holder for the S Pen, allowing easy storage and preventing loss. Stylus pen is NOT included. Convenient Shortcut Keys: Equipped with multifunction shortcut keys, the keyboard allows one-touch access to screen capture, screen lock, and volume control. By using the FN key in combination with other keys, your tablet experience becomes as efficient as using a laptop. Detachable Keyboard: This 2-in-1 Bluetooth keyboard and protective case features a wireless connection, ultra-slim design, and easy portability. It transforms your Galaxy Tab into a notebook-style device, enhancing work productivity. The keyboard and leather case share a matching color design. Multiple Viewing Angles: The stylish and elegant design allows quick adjustment to various viewing angles, converting your tablet into a laptop setup in seconds. Premium Protection: The exterior is made of high-quality synthetic leather to protect your tablet from drops and bumps. The soft, anti-slip interior lining prevents scratches and ensures a secure fit.